Sterilizer unit



FIG. 1 is a perspective view of my new sterilizer unit with the coverfor the heating well in the closed condition;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof.

The ornamental design for a sterilizer unit, substantially as shown anddescribed.